If you want a massive library of free international channels, the project is the gold standard.
By loading both the M3U (channels) and the EPG (schedule), your IPTV app will show you what is currently playing on BBC, CNN, or Al Jazeera, just like a standard TV guide. https iptvorggithubio iptv indexcountrym3u full
How to Access & Use the GitHub IPTV Country M3U Lists (Full Guide) If you want a massive library of free